Apache ZooKeeper 3.3.6 发布了，ZooKeeper是Hadoop的正式子项目，它是一个针对大型分布式系统的可靠协调系统，提供的功能包括：配置维护、名字服务、分布式同步、组服务等。ZooKeeper的目标就是封装好复杂易出错的关键服务，将简单易用的接口和性能高效、功能稳定的系统提供给用户。
该版本改进记录包括：
Bug
[ZOOKEEPER-1048] addauth command does not work in cli_mt/cli_st
[ZOOKEEPER-1163] Memory leak in zk_hashtable.c:do_insert_watcher_object()
[ZOOKEEPER-1210] Can't build ZooKeeper RPM with RPM >= 4.6.0 (i.e. on RHEL 6 and Fedora >= 10)
[ZOOKEEPER-1305] zookeeper.c:prepend_string func can dereference null ptr
[ZOOKEEPER-1318] In Python binding, get_children (and get and exists, and probably others) with expired session doesn't raise exception properly
[ZOOKEEPER-1339] C clien doesn't build with --enable-debug
[ZOOKEEPER-1395] node-watcher double-free redux
[ZOOKEEPER-1403] zkCli.sh script quoting issue
[ZOOKEEPER-1431] zkpython: async calls leak memory
[ZOOKEEPER-1466] QuorumCnxManager.shutdown missing synchronization
[ZOOKEEPER-1489] Data loss after truncate on transaction log
[ZOOKEEPER-1493] C Client: zookeeper_process doesn't invoke completion callback if zookeeper_close has been called
[ZOOKEEPER-1521] LearnerHandler initLimit/syncLimit problems specifying follower socket timeout limits
Improvement
[ZOOKEEPER-1433] improve ZxidRolloverTest (test seems flakey)
[ZOOKEEPER-1454] Document how to run autoreconf if cppunit is installed in a non-standard directory
Task
[ZOOKEEPER-1450] Backport ZOOKEEPER-1294 fix to 3.4 and 3.3
主页：http://zookeeper.apache.org/
下载：http://zookeeper.apache.org/releases.html
来自:开源中国社区
